From a632aee1694dd04080ce51add2519c10a8ff18bd Mon Sep 17 00:00:00 2001 From: jpeeler Date: Thu, 21 Aug 2008 23:39:31 +0000 Subject: Fixes loop that could possibly never exit in the event of a channel never being able to be opened or specify after a restart. (closes issue #11017) git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@139387 f38db490-d61c-443f-a65b-d21fe96a405b --- channels/chan_dahdi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/channels/chan_dahdi.c b/channels/chan_dahdi.c index 125a971e1..e650ed291 100644 --- a/channels/chan_dahdi.c +++ b/channels/chan_dahdi.c @@ -7342,12 +7342,14 @@ static struct dahdi_pvt *mkintf(int channel, const struct dahdi_chan_conf *conf, int chan_sig = conf->chan.sig; if (!here) { if ((channel != CHAN_PSEUDO) && !pri) { + int count = 0; snprintf(fn, sizeof(fn), "%d", channel); /* Open non-blocking */ tmp->subs[SUB_REAL].dfd = dahdi_open(fn); - while (tmp->subs[SUB_REAL].dfd < 0 && reloading == 2) { /* the kernel may not call dahdi_release fast enough for the open flagbit to be cleared in time */ + while (tmp->subs[SUB_REAL].dfd < 0 && reloading == 2 && count < 1000) { /* the kernel may not call dahdi_release fast enough for the open flagbit to be cleared in time */ usleep(1); tmp->subs[SUB_REAL].dfd = dahdi_open(fn); + count++; } /* Allocate a DAHDI structure */ if (tmp->subs[SUB_REAL].dfd < 0) { -- cgit v1.2.3